1997A&AS..121..451G

Query : 1997A&AS..121..451G

1997A&AS..121..451G - Astron. Astrophys., Suppl. Ser., 121, 451-454 (1997/March-0)

VI photometry of the galactic cluster Berkeley 66.

GUARNIERI M.D. and CARRARO G.

Abstract (from CDS):

A colour magnitude diagram (CMD) extending to V≃19mag is given for 444 stars in the region of the galactic cluster Berkeley 66. The V and I photometry of a nearby field is also reported. This object appears very faint, highly contaminated by foreground stars and very reddened. The apparent distance modulus (m-M) and the colour excess EV–I are guessed to be 17.5 and 1.1, respectively, with an uncertainty of at least 30%. Adopting these values the comparison of the CMD with theoretical isochrones from the Padova group provides an age around 1.0Gyr.

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Journal keyword(s): open clusters: individual: Cl Berkeley 66 - HR diagram

VizieR on-line data: <Available at CDS (J/A+AS/121/451): table2>

Nomenclature: Table 2: Cl* Berkeley 66 GC NNN (Nos 1-444)

Simbad objects: 4

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Number of rows : 4
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 Cl Berkeley 66 OpC 03 04 07.2 +58 43 52           ~ 68 0
2 NGC 1245 OpC 03 14 45.8 +47 14 06   9.16 8.4     ~ 151 0
3 NGC 2158 OpC 06 07 26.9 +24 05 56           ~ 294 0
4 NGC 7781 GiG 23 53 45.9944134392 +07 51 37.828066176   15.2       ~ 20 0

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